Home / 20,408,263.84-28,164,680.40-11,240,904.16

Finding the Fourth Proportional to 20,408,263.84, 28,164,680.40 and 11,240,904.16

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Solution

The fourth proportional to 20,408,263.84, 28,164,680.40 and 11,240,904.16 is: 15,513,150.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,408,263.84 : 28,164,680.40 = 11,240,904.16 : x
  2. Step 2: Convert to fraction form
    20,408,263.84/28,164,680.40 = 11,240,904.16/x
  3. Step 3: Cross multiply
    20,408,263.84x = 28,164,680.40 × 11,240,904.16
  4. Step 4: Simplify right side
    20,408,263.84x = 316,596,473,073,430.44
  5. Step 5: Solve for x
    x = 316,596,473,073,430.44/20,408,263.84
  6. Step 6: Final answer
    x = 15,513,150.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.